package org.lanqiao.common;

import org.lanqiao.utils.Result;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理类
 */
@ResponseBody
@ControllerAdvice(annotations = {RestController.class , Controller.class})
public class GlobalExceptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result<String> handleException(SQLIntegrityConstraintViolationException ex){
        //判断错误信息中是否包含“Duplicate enty
        if (ex.getMessage().contains("Duplicate entry")) {

            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return Result.error(msg);
        }

        return Result.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public Result<String> handleException(CustomException ex){
        return Result.error(ex.getMessage());
    }
}
